/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/AllInterval-007.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 21:35:13,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 21:35:14,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 21:35:14,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 21:35:14,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 21:35:14,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 21:35:14,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 21:35:14,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 21:35:14,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 21:35:14,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 21:35:14,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 21:35:14,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 21:35:14,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 21:35:14,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 21:35:14,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 21:35:14,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 21:35:14,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 21:35:14,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 21:35:14,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 21:35:14,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 21:35:14,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 21:35:14,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 21:35:14,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 21:35:14,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 21:35:14,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 21:35:14,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 21:35:14,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 21:35:14,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 21:35:14,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 21:35:14,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 21:35:14,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 21:35:14,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 21:35:14,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 21:35:14,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 21:35:14,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 21:35:14,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 21:35:14,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 21:35:14,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 21:35:14,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 21:35:14,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 21:35:14,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 21:35:14,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 21:35:14,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 21:35:14,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 21:35:14,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 21:35:14,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 21:35:14,209 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 21:35:14,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 21:35:14,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 21:35:14,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 21:35:14,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 21:35:14,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 21:35:14,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 21:35:14,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 21:35:14,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 21:35:14,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 21:35:14,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 21:35:14,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 21:35:14,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 21:35:14,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:35:14,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 21:35:14,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 21:35:14,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 21:35:14,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 21:35:14,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 21:35:14,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 21:35:14,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 21:35:14,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 21:35:14,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 21:35:14,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 21:35:14,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 21:35:14,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 21:35:14,619 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 21:35:14,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-007.c [2021-01-06 21:35:14,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77b711311/1a1c4895984d4cfabf7719e7bb278605/FLAG5e9400c85 [2021-01-06 21:35:15,310 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 21:35:15,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c [2021-01-06 21:35:15,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77b711311/1a1c4895984d4cfabf7719e7bb278605/FLAG5e9400c85 [2021-01-06 21:35:15,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/77b711311/1a1c4895984d4cfabf7719e7bb278605 [2021-01-06 21:35:15,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 21:35:15,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 21:35:15,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 21:35:15,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 21:35:15,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 21:35:15,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35456976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15, skipping insertion in model container [2021-01-06 21:35:15,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 21:35:15,383 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2021-01-06 21:35:15,691 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2021-01-06 21:35:15,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:35:15,715 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2021-01-06 21:35:15,751 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2021-01-06 21:35:15,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:35:15,770 INFO L208 MainTranslator]: Completed translation [2021-01-06 21:35:15,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15 WrapperNode [2021-01-06 21:35:15,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 21:35:15,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 21:35:15,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 21:35:15,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 21:35:15,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 21:35:15,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 21:35:15,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 21:35:15,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 21:35:15,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... [2021-01-06 21:35:15,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 21:35:15,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 21:35:15,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 21:35:15,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 21:35:15,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:35:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 21:35:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 21:35:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 21:35:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 21:35:16,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 21:35:16,672 INFO L299 CfgBuilder]: Removed 140 assume(true) statements. [2021-01-06 21:35:16,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:35:16 BoogieIcfgContainer [2021-01-06 21:35:16,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 21:35:16,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 21:35:16,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 21:35:16,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 21:35:16,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:35:15" (1/3) ... [2021-01-06 21:35:16,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715ff117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:35:16, skipping insertion in model container [2021-01-06 21:35:16,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:35:15" (2/3) ... [2021-01-06 21:35:16,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715ff117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:35:16, skipping insertion in model container [2021-01-06 21:35:16,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:35:16" (3/3) ... [2021-01-06 21:35:16,688 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2021-01-06 21:35:16,698 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 21:35:16,703 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 21:35:16,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 21:35:16,764 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 21:35:16,764 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 21:35:16,765 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 21:35:16,765 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 21:35:16,765 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 21:35:16,766 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 21:35:16,766 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 21:35:16,766 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 21:35:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2021-01-06 21:35:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 21:35:16,804 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:35:16,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:35:16,806 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:35:16,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:35:16,811 INFO L82 PathProgramCache]: Analyzing trace with hash 727076793, now seen corresponding path program 1 times [2021-01-06 21:35:16,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:35:16,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558322989] [2021-01-06 21:35:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:35:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:35:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:35:17,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558322989] [2021-01-06 21:35:17,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:35:17,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 21:35:17,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231661066] [2021-01-06 21:35:17,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 21:35:17,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:35:17,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 21:35:17,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 21:35:17,197 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2021-01-06 21:35:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:35:17,254 INFO L93 Difference]: Finished difference Result 302 states and 448 transitions. [2021-01-06 21:35:17,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 21:35:17,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 150 [2021-01-06 21:35:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:35:17,272 INFO L225 Difference]: With dead ends: 302 [2021-01-06 21:35:17,272 INFO L226 Difference]: Without dead ends: 151 [2021-01-06 21:35:17,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 21:35:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-01-06 21:35:17,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-01-06 21:35:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2021-01-06 21:35:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 156 transitions. [2021-01-06 21:35:17,349 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 156 transitions. Word has length 150 [2021-01-06 21:35:17,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:35:17,350 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 156 transitions. [2021-01-06 21:35:17,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 21:35:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2021-01-06 21:35:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 21:35:17,359 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:35:17,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:35:17,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 21:35:17,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:35:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:35:17,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1833410753, now seen corresponding path program 1 times [2021-01-06 21:35:17,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:35:17,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529264963] [2021-01-06 21:35:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:35:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:35:19,299 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2021-01-06 21:35:19,593 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-01-06 21:35:19,867 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-06 21:35:20,145 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-01-06 21:35:20,439 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-01-06 21:35:20,805 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2021-01-06 21:35:21,193 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2021-01-06 21:35:21,610 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-01-06 21:35:22,014 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-01-06 21:35:22,588 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-01-06 21:35:23,172 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-01-06 21:35:23,789 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-01-06 21:35:24,365 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-01-06 21:35:24,975 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-01-06 21:35:25,515 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 21:35:26,027 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-06 21:35:26,557 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-01-06 21:35:27,102 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-01-06 21:35:27,625 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-01-06 21:35:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:35:29,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529264963] [2021-01-06 21:35:29,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:35:29,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-01-06 21:35:29,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072459667] [2021-01-06 21:35:29,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-01-06 21:35:29,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:35:29,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-01-06 21:35:29,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1195, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 21:35:29,048 INFO L87 Difference]: Start difference. First operand 151 states and 156 transitions. Second operand 37 states. [2021-01-06 21:35:30,015 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-06 21:35:30,273 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-01-06 21:35:31,123 WARN L197 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2021-01-06 21:35:31,332 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 21:35:32,006 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-01-06 21:35:32,415 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-01-06 21:35:33,109 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2021-01-06 21:35:33,528 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-01-06 21:35:34,694 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-01-06 21:35:35,112 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-01-06 21:35:35,819 WARN L197 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2021-01-06 21:35:36,243 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2021-01-06 21:35:36,834 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-01-06 21:35:37,257 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-01-06 21:35:38,047 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-01-06 21:35:39,200 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-01-06 21:35:40,245 WARN L197 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-01-06 21:35:42,028 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2021-01-06 21:35:44,106 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 182 DAG size of output: 160 [2021-01-06 21:35:46,016 WARN L197 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 164 DAG size of output: 155 [2021-01-06 21:35:48,023 WARN L197 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 164 DAG size of output: 155 [2021-01-06 21:35:49,951 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 162 DAG size of output: 152 [2021-01-06 21:35:51,442 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2021-01-06 21:35:53,017 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2021-01-06 21:35:55,065 WARN L197 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 175 DAG size of output: 165 [2021-01-06 21:35:56,503 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2021-01-06 21:35:57,873 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 121 DAG size of output: 112 [2021-01-06 21:35:59,223 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2021-01-06 21:36:00,636 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2021-01-06 21:36:02,053 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2021-01-06 21:36:04,109 WARN L197 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 179 DAG size of output: 164 [2021-01-06 21:36:05,572 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2021-01-06 21:36:07,783 WARN L197 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-01-06 21:36:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:36:08,029 INFO L93 Difference]: Finished difference Result 237 states and 252 transitions. [2021-01-06 21:36:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-01-06 21:36:08,030 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 150 [2021-01-06 21:36:08,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:36:08,032 INFO L225 Difference]: With dead ends: 237 [2021-01-06 21:36:08,033 INFO L226 Difference]: Without dead ends: 225 [2021-01-06 21:36:08,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=1465, Invalid=3647, Unknown=0, NotChecked=0, Total=5112 [2021-01-06 21:36:08,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-01-06 21:36:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 163. [2021-01-06 21:36:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2021-01-06 21:36:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 170 transitions. [2021-01-06 21:36:08,048 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 170 transitions. Word has length 150 [2021-01-06 21:36:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:36:08,049 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 170 transitions. [2021-01-06 21:36:08,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2021-01-06 21:36:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 170 transitions. [2021-01-06 21:36:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 21:36:08,051 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:36:08,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:36:08,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 21:36:08,052 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:36:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:36:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2091576191, now seen corresponding path program 1 times [2021-01-06 21:36:08,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:36:08,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591252059] [2021-01-06 21:36:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:36:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:36:11,767 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 24 [2021-01-06 21:36:11,932 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2021-01-06 21:36:12,252 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2021-01-06 21:36:12,503 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2021-01-06 21:36:13,571 WARN L197 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 113 [2021-01-06 21:36:14,642 WARN L197 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 108 [2021-01-06 21:36:16,596 WARN L197 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 223 DAG size of output: 188 [2021-01-06 21:36:18,515 WARN L197 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 218 DAG size of output: 183 [2021-01-06 21:36:23,009 WARN L197 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 329 DAG size of output: 291 [2021-01-06 21:36:27,519 WARN L197 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-01-06 21:36:32,544 WARN L197 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 347 DAG size of output: 311 [2021-01-06 21:36:36,501 WARN L197 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 364 DAG size of output: 316 [2021-01-06 21:36:40,459 WARN L197 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 359 DAG size of output: 311 [2021-01-06 21:36:44,567 WARN L197 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 363 DAG size of output: 316 [2021-01-06 21:36:48,640 WARN L197 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 358 DAG size of output: 311 [2021-01-06 21:36:52,726 WARN L197 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2021-01-06 21:36:57,027 WARN L197 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 360 DAG size of output: 322 [2021-01-06 21:37:01,269 WARN L197 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 368 DAG size of output: 322 [2021-01-06 21:37:05,551 WARN L197 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 363 DAG size of output: 317 [2021-01-06 21:37:11,327 WARN L197 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 369 DAG size of output: 331 [2021-01-06 21:37:17,083 WARN L197 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 364 DAG size of output: 326 [2021-01-06 21:37:21,573 WARN L197 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 373 DAG size of output: 327 [2021-01-06 21:37:26,168 WARN L197 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 368 DAG size of output: 322 [2021-01-06 21:37:30,719 WARN L197 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 374 DAG size of output: 329 [2021-01-06 21:37:35,436 WARN L197 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 369 DAG size of output: 324 [2021-01-06 21:37:41,555 WARN L197 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 376 DAG size of output: 336 [2021-01-06 21:37:47,876 WARN L197 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 371 DAG size of output: 331 [2021-01-06 21:37:52,635 WARN L197 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 380 DAG size of output: 329 [2021-01-06 21:37:57,611 WARN L197 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 375 DAG size of output: 324 [2021-01-06 21:38:02,618 WARN L197 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 381 DAG size of output: 337 [2021-01-06 21:38:07,906 WARN L197 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 376 DAG size of output: 332 [2021-01-06 21:38:14,704 WARN L197 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 386 DAG size of output: 342 [2021-01-06 21:38:21,737 WARN L197 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 381 DAG size of output: 337 [2021-01-06 21:38:28,704 WARN L197 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 388 DAG size of output: 340 [2021-01-06 21:38:35,991 WARN L197 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 383 DAG size of output: 335 [2021-01-06 21:38:43,258 WARN L197 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 392 DAG size of output: 349 [2021-01-06 21:38:51,014 WARN L197 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 387 DAG size of output: 344 [2021-01-06 21:38:58,454 WARN L197 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 394 DAG size of output: 349 [2021-01-06 21:39:06,159 WARN L197 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 389 DAG size of output: 344 [2021-01-06 21:39:14,401 WARN L197 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 395 DAG size of output: 351 [2021-01-06 21:39:22,774 WARN L197 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 390 DAG size of output: 346 [2021-01-06 21:39:30,795 WARN L197 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 396 DAG size of output: 356